Chlorthalidone/Clonidine Generic Name:
Chlorthalidone/Clonidine (klor-THAL-i-done/KLON-i-deen)Brand Name:
Chlorthalidone/Clonidine is used for:
Treating high blood pressure. It may also be used for other conditions as determined by your doctor.
Chlorthalidone/Clonidine is a combination alpha agonist and diuretic. The alpha agonist works by relaxing blood vessels and decreasing heart rate. The diuretic works by increasing elimination of sodium and water.
Do NOT use Chlorthalidone/Clonidine if:
- you are allergic to any ingredient in Chlorthalidone/Clonidine , thiazides (eg, hydrochlorothiazide) or related diuretics, or to sulfonamide medicines (eg, sulfamethoxazole)
- you are unable to urinate
Contact your doctor or health care provider right away if any of these apply to you.
Before using Chlorthalidone/Clonidine :
Some medical conditions may interact with Chlorthalidone/Clonidine . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have a blood vessel disease affecting the brain, heart or blood vessel problems, or you have had a stroke or recent heart attack
- if you have gout, liver disease, low blood levels of potassium or sodium, kidney problems, the blood disease porphyria, lupus, or if you are vomiting
- if you have a history of allergy or bronchial asthma
- if you will be in a hot environment for long periods of time
- if you are scheduled for surgery
Some MEDICINES MAY INTERACT with Chlorthalidone/Clonidine . Tell your health care provider if you are taking any other medicines, especially any of the following:
- Beta-blockers (eg, propranolol) or calcium channel blockers (eg, verapamil) because a severe decrease in heart rate or an increase or decrease in blood pressure may occur
- Tricyclic antidepressants (eg, amitriptyline) because they may decrease Chlorthalidone/Clonidine 's effectiveness
- Barbiturates (eg, phenobarbital), corticosteroids (eg, cortisone), or narcotics (eg, codeine) because they may increase the risk of Chlorthalidone/Clonidine 's side effects
- Diazoxide, digitalis glycosides (eg, digoxin), ketanserin, lithium, tubocurarine, or other medicines for high blood pressure because their actions and the risk of their side effects may be increased by Chlorthalidone/Clonidine
- Insulin, norepinephrine, or oral diabetes medicines (eg, glipizide) because their effectiveness may be decreased by Chlorthalidone/Clonidine
This may not be a complete list of all interactions that may occur. Ask your health care provider if Chlorthalidone/Clonidine may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Chlorthalidone/Clonidine :
Use Chlorthalidone/Clonidine as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take Chlorthalidone/Clonidine by mouth with or without food.
- Take Chlorthalidone/Clonidine on a regular schedule to get the most benefit from it.
- Continue to use Chlorthalidone/Clonidine even if you feel well. Do not miss any doses.
- Chlorthalidone/Clonidine may increase the amount of urine or cause you to urinate more often when you first start taking it. To keep this from disturbing your sleep, try to take your dose before 6 pm.
- If you miss a dose of Chlorthalidone/Clonidine , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once. If you miss 2 or more doses in a row, contact your doctor.
Ask your health care provider any questions you may have about how to use Chlorthalidone/Clonidine .
Important safety information:
- Chlorthalidone/Clonidine may cause drowsiness, dizziness, blurred vision, or lightheadedness. These effects may be worse if you take it with alcohol or certain medicines. Use Chlorthalidone/Clonidine with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Do not drink alcohol or use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Chlorthalidone/Clonidine ; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
- Chlorthalidone/Clonidine may cause dizziness, lightheadedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
- Patients who take medicine for high blood pressure often feel tired or run down for a few weeks after starting treatment. Be sure to take your medicine even if you may not feel "normal." Tell your doctor if you develop any new symptoms.
- If you experience dry mouth, use sugarless candy or gum, or melt bits of ice in your mouth to help keep your mouth moist.
- Chlorthalidone/Clonidine may raise your blood sugar. High blood sugar may make you feel confused, drowsy, or thirsty. It can also make you flush, breathe faster, or have a fruit-like breath odor. If these symptoms occur, tell your doctor right away.
- Chlorthalidone/Clonidine may cause you to become sunburned more easily. Avoid the sun, sunlamps, or tanning booths until you know how you react to Chlorthalidone/Clonidine . Use a sunscreen or wear protective clothing if you must be outside for more than a short time.
- Tell your doctor or dentist that you take Chlorthalidone/Clonidine before you receive any medical or dental care, emergency care, or surgery.
- Diabetes patients - Chlorthalidone/Clonidine may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
- Lab tests, including blood pressure and blood electrolyte levels, may be performed while you use Chlorthalidone/Clonidine . These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Use Chlorthalidone/Clonidine with caution in the ELDERLY; they may be more sensitive to its effects, especially dizziness.
- Chlorthalidone/Clonidine should be used with extreme caution in CHILDREN; safety and effectiveness in children have not been confirmed. Also, CHILDREN who are sick and vomiting may be more sensitive to developing withdrawal symptoms.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Chlorthalidone/Clonidine while you are pregnant. Chlorthalidone/Clonidine is found in breast milk. Do not breast-feed while using Chlorthalidone/Clonidine .
If you stop taking Chlorthalidone/Clonidine suddenly, you may have WITHDRAWAL symptoms. These may include nervousness, agitation, headache, tremor, and rapid increase in blood pressure.
Possible side effects of Chlorthalidone/Clonidine :
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Constipation; dizziness; drowsiness; dry mouth; tiredness.Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); agitation; confusion; dark urine; decreased urination; depression; fast, slow, or irregular heartbeat; fever, chills, or sore throat; hallucinations; inability to have sex; increased thirst; joint pain (gout); muscle pain or cramps; nausea; numbness or tingling of the skin; pounding in the chest; rapid breathing; red, swollen, blistered, or peeling skin; restlessness; severe or persistent drowsiness or dry mouth; sluggishness; unusual bruising or bleeding; unusual tiredness or weakness; vision changes; vomiting; weakness; yellowing of the skin or eyes.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately. Accidental overdose of Chlorthalidone/Clonidine is an increasing cause of poisoning in children 3 years of age and younger. Symptoms may include difficult or slow breathing; drowsiness leading to unresponsiveness or coma; irritability; lightheadedness, especially upon standing; pinpoint pupils; seizures; severe or persistent dizziness; slow or irregular heartbeat; vomiting; weakness.Proper storage of Chlorthalidone/Clonidine :
Store Chlorthalidone/Clonidine at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Chlorthalidone/Clonidine out of the reach of children and away from pets.
- If you have any questions about Chlorthalidone/Clonidine , please talk with your doctor, pharmacist, or other health care provider.
- Chlorthalidone/Clonidine is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
This information is a summary only. It does not contain all information about Chlorthalidone/Clonidine . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.